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China Sends Cultured Human Embryo Cells to International Space Station

China has sent cultured human embryo cells to the International Space Station as part of a scientific experiment to study mammalian development in microgravity. The research aims to determine whether reproduction outside Earth's atmosphere is biologically feasible. The experiment will examine how human embryo cells develop and differentiate

Common planetary core assumptions challenged by exoplanet research

The familiar concept of a planetary core, a small, dense metallic heart that we take for granted in our understanding of planetary formation, may not apply to the majority of exoplanets in the galaxy. Planetary scientists have long assumed that most planets follow a structural model similar to Earth: a

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Scientists Find Evidence for the Origin of Mysterious 'Impossible' Black Holes

The Puzzle of Intermediate-Mass Black Holes For years, astronomers have known that the universe contains black holes that don't neatly fit into existing categories. Stellar-mass black holes form when massive stars collapse, while supermassive black holes lurk at the centers of galaxies and grow to enormous sizes. But

Medical Leaders Propose Six-Step Framework for Licensing Clinical AI Systems Like Physicians

Overview A group of three prominent medical leaders has issued a call for clinical AI systems to be regulated through a licensing framework comparable to how physicians are credentialed and monitored. The proposal outlines six steps designed to ensure that AI tools used in patient care meet rigorous standards for

China Announces Year-Long Crewed Mission as Part of 2030 Lunar Landing Push

China is preparing to send an astronaut on a year-long space mission, according to reports, as the nation advances toward its goal of landing taikonauts on the Moon by 2030. The announcement signals continued momentum in China's human spaceflight program, which has grown significantly over the past decade.

Researchers Develop Faster, Cleaner Method to Extract Lithium from Underground Brines

A Columbia Engineering research team has developed a novel lithium-extraction method that could address one of clean energy's more problematic supply chain challenges. How the Method Works The technique uses a temperature-sensitive solvent to pull lithium directly from underground brines, bypassing the conventional approach that relies on massive

Study Links Wegovy to Elevated Risk of Rare Eye Condition That Can Cause Vision Loss

A new analysis of FDA side-effect reports is raising questions about the safety profile of Wegovy, the popular weight-loss medication. Researchers examined millions of reports in the FDA's adverse event database and found that Wegovy showed a risk signal for non-arteritic anterior ischemic optic neuropathy (NAION) — commonly referred